News tagged with supernovae

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Hypervariable galactic nuclei

Extreme variability in the intensity of the optical light of galaxies, by factors of two or more, is of great interest to astronomers. It can flag the presence of rare types of supernovae, for example, or spot sudden accretion ...

dateOct 31, 2016 in Astronomy
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Detonating white dwarfs as supernovae

A new mathematical model created by astrophysicists at the American Museum of Natural History details a way that dead stars called white dwarfs could detonate, producing a type of explosion that is instrumental to measuring ...

dateOct 04, 2016 in Astronomy
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The ultraviolet diversity of supernovae

Supernovae, the explosive deaths of massive stars, are among the most momentous events in the cosmos because they disburse into space all of the chemical elements that were produced inside their progenitor stars, including ...

dateSep 28, 2016 in Astronomy
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Young magnetar likely the slowest pulsar ever detected

Using NASA's Chandra X-ray Observatory and other X-ray observatories, astronomers have found evidence for what is likely one of the most extreme pulsars, or rotating neutron stars, ever detected. The source exhibits properties ...

dateSep 08, 2016 in Astronomy
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